Submission #53594137

Source Code Expand

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#include<bits/stdc++.h>
using namespace std;
long long s=1,a;
int main(){
  cin>>a;
  for(int i=1;i<=60;i++){
    s*=2;
    if(s-1>a){
      cout<<i;
      return 0;
    }
  }
}
 
 
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#include<bits/stdc++.h>
using namespace std;
long long s=1,a;
int main(){
	cin>>a;
	for(int i=1;i<=60;i++){
		s*=2;
		if(s-1>a){
			cout<<i;
			return 0;
		}
	}
}

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